x86 avx512 permutexvar: implement mm256_permutexvar_pd directly, without casting#1390
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mr-c merged 2 commits intosimd-everywhere:masterfrom Feb 22, 2026
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…out casting gcc (at least version, and currently through version 16.0) with both "-O2" and "-fstack-protector-strong" produces incorrect results without this fix.
This reverts commit 8143caf.
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gcc (at least version, and currently through version 16.0) with both "-O2" and "-fstack-protector-strong" produces incorrect results without this fix.
many thanks to @satta for the rubber-ducking session that led to this fix!